
So far this year, flu infections are way down in the Southern Hemisphere. Scientists want to know why — and what it means for the Northern Hemisphere as their flu season looms.
(Image credit: Andre Coelho/Getty Images)
Posted by NPR - Africa News on

So far this year, flu infections are way down in the Southern Hemisphere. Scientists want to know why — and what it means for the Northern Hemisphere as their flu season looms.
(Image credit: Andre Coelho/Getty Images)
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